The only thing keeping the cover on once the rings are removed is friction between the internal rubber seal and the spider housinghowever, there is enough friction involved so as not to let the cover "pop off" when you remove the rings. Don't worry, changing the rings is just as trivial as changing them on a normal (non SRM) spider.

Does anyone know how to use the new software function to check the levels of the battery crank?

I was told its when you dld a training file from the PC7, I guess its via the SRMwin software, but not sure. This is an awesome feature though.

^^ this is it. you must use SRMwin -- this does not work in SRMmac.

not sure if your SRM's firmware had to be updated to make use of this. i know i had a unit that was a newer one (1700h battery life) that displayed the older capacity. i was told it was due to a firmware issue.

Is anyone familiar if there is another type of battery which can be used instead of the Keeper LTC-7PN-S4? I'm having a hell of a time finding one in Canada and the ones i find in the US won't ship to Canada.

check locally for equivalents under different part numbers like er651625

also try variations with different pin configurations - both bent (s2) and straight-pin (s4) versions are fine, the four-pin version can be used simply by 'peeling' the extra cathode pins away from the case

otherwise, i believe sbc will ship to canada (their 'worldcart' lists it as an option)...

i currently am running a wired dura-ace 7800 srm with PCV head unit. now...of course..two weeks from nationals it decided it was going to run out of battery power and is currently a very expensive heartratespeed and time computer. so in the quest to get back into a working state i decided to go down the routeof replacing the batteries myself well i opended it up this evening and found 2 square yellow batteriesmade by keeper ( 3.5v 750 mAH LTC-7PN-S4 ) < thats the battery code i belive.

so so far seems pretty easy came apart easy enough (one stripped chainring bolt ) , lets just order two new ones! well not that simple... theres place in my city that carrysall kinds of batteries and they do have this batterie....i belive? well this where i need your help.the ones they have are identical ( same company and demensions) but they are 3.6v instead of 3.5v . would this be a big diffrence? or any diffrence?.if so i need to order some new ones asap ( if you know a link ..that would be epic )

any one with some adive that would be great! help me please i need this done as soon as possiable as i leavein a week and half!

thanks all!

will

(im from canada keep in mind) heres a link to what the battery looks like

I had to replace batteries in a wireless SRM some months back and got the 3.6v 750mAH battery except with 4-leads and have had no issues. I will warn that the wires that you solder from SRM to the battery are very small diameter (22-gauge?) and may have gotten fragile with age so best to have suitable replacements on hand in case - I did not plan ahead and ended up sacrificing a generic PC cooling fan last time I replaced batteries.

I had to replace batteries in a wireless SRM some months back and got the 3.6v 750mAH battery except with 4-leads and have had no issues. I will warn that the wires that you solder from SRM to the battery are very small diameter (22-gauge?) and may have gotten fragile with age so best to have suitable replacements on hand in case - I did not plan ahead and ended up sacrificing a generic PC cooling fan last time I replaced batteries.

Same thing happened to me on my last battery change, had to resolder wires to the board

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